162977656 has 16 divisors (see below), whose sum is σ = 305730000. Its totient is φ = 81449664.

The previous prime is 162977653. The next prime is 162977663. The reversal of 162977656 is 656779261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162977653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20596 + ... + 27388.

It is an arithmetic number, because the mean of its divisors is an integer number (19108125).

Almost surely, 2^162977656 is an apocalyptic number.

It is an amenable number.

162977656 is a deficient number, since it is larger than the sum of its proper divisors (142752344).

162977656 is a wasteful number, since it uses less digits than its factorization.

162977656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9798 (or 9794 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 162977656 is about 12766.2702462387. The cubic root of 162977656 is about 546.2305957950.

The spelling of 162977656 in words is "one hundred sixty-two million, nine hundred seventy-seven thousand, six hundred fifty-six".